SDSS J084109.08+292135.9
All names: SDSS J084109.09+292135.9, SDSS J084109.09+292136.0, Gaia DR2 706033975685639296, Gaia DR3 706033975685639296, GALEX J084109.1+292136, SDSS J084109.08+292135.9, WD 0838+295, Gaia EDR3 706033975685639296
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 41 09.09 (0.2) | 08 41 09.09 | 08 41 09.09 (0.3) | 08 41 09.09 (0.2) | 08 41 09.09 | 08 41 08.66 | 08 41 09.09 | |||||||
| Declination | 29 21 35.72 (0.1) | 29 21 35.98 | 29 21 35.73 (0.2) | 29 21 36.07 (0.1) | 29 21 35.99 | 29 21 29.16 | 29 21 35.97 | |||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
| Effective temperature | [K] | 30262.0 (454) | 24844.0 | 30090.0 (530) | 29508.0 (380) | 29647.0 (384) | ||||||||
| log(g) | [cgs] | 8.35 (0.1) | 8.28 | 8.40 (0.1) | 8.36 (0.08) | 8.40 (0.09) | ||||||||
| Mass | [M☉] | 0.85 (0.07) | 0.801 | 0.89 (0.07) | 0.865 (0.05) | |||||||||
| log(Luminosity) | [L☉] | -1.10 (0.09) | ||||||||||||
| Cooling age | [Gyr] | 0.0214 (0.009) | 0.0560 | 0.0427 | ||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(C/H) | ||||||||||||||
| log(N/H) | ||||||||||||||
| log(O/H) | ||||||||||||||
| log(Na/H) | ||||||||||||||
| log(Mg/H) | ||||||||||||||
| log(Al/H) | ||||||||||||||
| log(Si/H) | ||||||||||||||
| log(P/H) | ||||||||||||||
| log(S/H) | ||||||||||||||
| log(Sc/H) | ||||||||||||||
| log(Ti/H) | ||||||||||||||
| log(Cr/H) | ||||||||||||||
| log(Mn/H) | ||||||||||||||
| log(Fe/H) | ||||||||||||||
| log(Ni/H) | ||||||||||||||
| Parallax | [mas] | 2.54 (0.3) | 2.14 (0.5) | 2.54 (0.3) | ||||||||||
| Distance | [pc] | 393.86 (54) | 466.84 (100) | 393.86 (54) | ||||||||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 2.229243001 (0.3) | 0.937335962 (0.7) | 2.229 (0.3) | 1.7 | |||||||||
| Proper motion (declination) | [mas/yr] | -21.89685615 (0.2) | -21.77800084 (0.3) | -21.897 (0.2) | -21.6 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 19.90 (0.2) | |||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 18.70 (0.02) | 18.70 (0.02) | 18.73 (0.02) | 18.73 | 18.71 (0.02) | |||||||||
| g magnitude | 18.92 (0.009) | 18.92 (0.009) | 18.95 (0.01) | 18.94 | 18.93 (0.01) | |||||||||
| r magnitude | 19.41 (0.02) | 19.41 (0.02) | 19.47 (0.02) | 19.46 | 19.44 (0.02) | |||||||||
| i magnitude | 19.71 (0.03) | 19.71 (0.03) | 19.73 (0.03) | 19.73 | 19.73 (0.03) | |||||||||
| z magnitude | 20.08 (0.1) | 20.07 (0.1) | 20.10 (0.1) | 20.10 | 20.09 (0.1) | |||||||||
| G magnitude | 19.17 (0.02) | 19.22 | 19.17 (0.003) | |||||||||||
| BP magnitude | 19.06 (0.02) | 18.98 | ||||||||||||
| RP magnitude | 19.44 (0.06) | 19.21 | ||||||||||||
| Pan g magnitude | 18.97 (0.008) | |||||||||||||
| Pan r magnitude | 19.41 (0.01) | |||||||||||||
| Pan i magnitude | 19.70 (0.02) | |||||||||||||
| Pan z magnitude | 20.02 (0.04) | |||||||||||||
| Pan y magnitude | 20.03 (0.1) | |||||||||||||
| E(B-V) | 0.022 | |||||||||||||
* Constant surface field
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